Leak-proof silicone bath brush



FIG. 1 is a perspective view of a leak-proof silicone bath brush, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dashed or broken lines shown in the drawings depict portions of the leak-proof silicone bath brush in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a leak-proof silicone bath brush, as shown and described. 